摘要
Anoptimizedtransducerprototypewithasandwichstructurevibratedlongitudinallyisproposedforatransmitterinacousticlogging,especiallyinacousticloggingwhiledrilling,bytakingaccountofdrillingenvironmentswithhightemperatureandpressure,aswellasstrongcollardrillingvibrationduringthedrillingprocess.Aimedtoimprovethetransmittingperformance,numericalandexperimentalstudiesforthetransduceroptimizationareconducted.Theimpactoflocationandlengthofthepiezoelectricstackonresonancecharacteristicsandeffectiveelectromechanicalcouplingcoefficientiscalculatedandanalyzed.Admittanceandtransmittingperformanceoftheproposedtransduceraremeasuredinlaboratoryexperiments,andtheresultsarecomparedwithsimulatedones.Itisshownthatthenewlyproposedtransducerhashighertransmittingperformancewithlowerresonancefrequencies.Thisworkprovidestheoreticalandexperimentalbasesfortransducerdesigningandacousticwavemeasurementsinacousticlogging,especiallyinacousticloggingwhiledrilling.
出版日期
2016年07月17日（中国期刊网平台首次上网日期，不代表论文的发表时间）
